251B12T104A2NB

251B12T104A2NB Datasheet

Series 251

Part	Datasheet
251B12T104A2NB	251B12T104A2NB (pdf)

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Series 251 Long life, 9mm diameter, composition element, variable resistor • 1 million cycle life • Miniature 9 mm size • Multiple rotation angles available • Low rotational torque • Sturdy insert molded PC terminals • Bushing mount or shaftless available • Tap available Electrical and Mechanical Specifications Resistance Range 10 K ohms through 200 K ohms Resistance Tolerance Standard ± 20% Special ± 10% and ± 30% available Resistance Taper Linear ± 5% Insulation Resistance 100 megohms minimum 250 VDC Operating Temperature -10°C to +70°C Rotational Torque 3 to 10 gf-cm Rotational Life 1,000,000 cycles Power Rating watt at 50°C derated to no load at 85°C Maximum Operating Voltage Maximum 50 VAC or 5 VDC Angle of Rotation Total Rotation - With Shaft 180° No Shaft 360° Effective Rotation 38°, 40°, 50°, 60°, 70°, 85°, 90° or 110° available Typical joystick control use. Materials Housing UL 94V-2 Shaft / Bushing UL 94V-2 Base UL flame class 94HB Shaft Information Flatted, molded shaft Diameter mm or mm, depending on shaft trim Mounting Information Bushing mount unthreaded Diameter mm Length mm Tap Available 4° angle at 50% rotation optional Other taps available - consult CTS Technical Data Sheet 1251 CTS CORPORATION / MANUFACTURER OF RELIABLE ELECTRONIC COMPONENTS “T” Shaft Trim CTS SERIES 251 “F” Shaft Trim Mounting Hole Detail MM DIMENSION: INCH No Shaft Mounting Hole Detail MM DIMENSION: INCH Hole Placement Detail View from pot mounting side MM DIMENSION: INCH Order Information Part Number Code For Ordering 251 B 00 0 254 A 1 N 1 Terminal Type B-Straight P.C. “L” Shafts Length 00 - No shaft 12 - 12 mm 15 - 15 mm Shafts Trim 0 - No shaft F - 5 mm dia flatted thickness mm T - 4 mm dia flatted thickness mm Resistance Tol A ± 10% B ± 20% C ± 30% Resistance Code Examples Code Resistance 2.5K 250K 2.5Meg Effective Angle 1- 40° 2- 50° 3- 60° 4- 38° 5- 110° 6- 85° 7- 70° 89- 90° Specials 1 - None B - W/bushing Resistance Tap N No center tap T 4° tap at center Order From: CTS CORPORATION, ELECTROCOMPONENTS / 1601 Mishawaka Street / Elkhart, Indiana 46514 North America Toll Free 888 287-4690 / 219 296-6700 / FAX 219 293-1240 CTS COMPONENTS TAIWAN, LTD. / 7, Central 6th Road Chung Liu Road / P.O. Box 26-20 Kaohsiung Export Processing Zone / Kaohsiung, Taiwan, Rep. of China 07 8216145 / FAX 07 5M-3-99I

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Series 251

Long life, 9mm diameter, composition element, variable resistor
• 1 million cycle life
• Miniature 9 mm size
• Multiple rotation angles available
• Low rotational torque
• Sturdy insert molded PC terminals
• Bushing mount or shaftless available
• Tap available

Electrical and Mechanical Specifications

Resistance Range 10 K ohms through 200 K ohms

Resistance Tolerance Standard ± 20% Special ± 10% and ± 30% available

Resistance Taper Linear ± 5%

Insulation Resistance 100 megohms minimum 250 VDC

Operating Temperature -10°C to +70°C

Rotational Torque 3 to 10 gf-cm

Rotational Life 1,000,000 cycles

Power Rating watt at 50°C derated to no load at 85°C

Maximum Operating Voltage Maximum 50 VAC or 5 VDC

Angle of Rotation Total Rotation - With Shaft 180° No Shaft 360° Effective Rotation 38°, 40°, 50°, 60°, 70°, 85°, 90° or 110° available Typical joystick control use.

Materials Housing UL 94V-2 Shaft / Bushing UL 94V-2 Base UL flame class 94HB

Shaft Information Flatted, molded shaft Diameter mm or mm, depending on shaft trim

Mounting Information Bushing mount unthreaded Diameter mm Length mm

Tap Available 4° angle at 50% rotation optional Other taps available - consult CTS

Technical Data Sheet 1251

CTS CORPORATION / MANUFACTURER OF RELIABLE ELECTRONIC COMPONENTS
“T” Shaft Trim

CTS SERIES 251
“F” Shaft Trim

Mounting Hole Detail

MM DIMENSION:

INCH

No Shaft

Mounting Hole Detail

MM DIMENSION:

INCH

Hole Placement Detail View from pot mounting side

MM DIMENSION:

INCH
Order Information Part Number Code For Ordering
251 B 00 0 254 A 1 N 1

Terminal Type B-Straight P.C.
“L” Shafts Length 00 - No shaft 12 - 12 mm 15 - 15 mm

Shafts Trim 0 - No shaft F - 5 mm dia flatted
thickness mm T - 4 mm dia flatted
thickness mm

Resistance Tol A ± 10% B ± 20% C ± 30%

Resistance Code Examples

Code

Resistance
2.5K
250K
2.5Meg

Effective Angle 1- 40° 2- 50° 3- 60° 4- 38° 5- 110° 6- 85° 7- 70° 89- 90°

Specials 1 - None B - W/bushing

Resistance Tap N No center tap T 4° tap at center

Order From:

CTS CORPORATION, ELECTROCOMPONENTS / 1601 Mishawaka Street / Elkhart, Indiana 46514 North America Toll Free 888 287-4690 / 219 296-6700 / FAX 219 293-1240

CTS COMPONENTS TAIWAN, LTD. / 7, Central 6th Road Chung Liu Road / P.O. Box 26-20 Kaohsiung Export Processing Zone / Kaohsiung, Taiwan, Rep. of China 07 8216145 / FAX 07
5M-3-99I

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Datasheet ID: 251B12T104A2NB 507300